Depends on where you are in the math book but this would be the most simple way.
n= number
sqar(-1) = i
n= number
sqar(-1) = i
6. Explain how you need 2 coordinate pairs to access and apply the Slope formula ?
1 answer:
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cost of pencil = x = 0.07
and cost of eraser = y = 0.03
Step-by-step explanation:
let cost of pencil = x
and cost of eraser = y
So, we have equations:
Solving both equations to find value of x and y
Let:
Multiply eq(1) with 4 and eq(2) with 3 and subtract
Putting value of x in equation 1:
So, x= 0.07 and y = 0.03
cost of pencil = x = 0.07
and cost of eraser = y = 0.03
Keywords: System of equations
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